Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos 5
99
Muse Spark
81
Verified leaderboard positions: Claude Mythos 5 #1 · Muse Spark unranked
Pick Claude Mythos 5 if you want the stronger benchmark profile. Muse Spark only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Agentic
+28.0 difference
Coding
+24.2 difference
Knowledge
+24.2 difference
Multimodal
+10.5 difference
Claude Mythos 5
Muse Spark
$10 / $50
N/A
N/A
N/A
N/A
N/A
1M+
262K
Pick Claude Mythos 5 if you want the stronger benchmark profile. Muse Spark only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Claude Mythos 5 is clearly ahead on the provisional aggregate, 99 to 81. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Mythos 5's sharpest advantage is in agentic, where it averages 87 against 59. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 88% to 59%.
Claude Mythos 5 gives you the larger context window at 1M+, compared with 262K for Muse Spark.
Claude Mythos 5 is ahead on BenchLM's provisional leaderboard, 99 to 81. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 88% and 59%.
Claude Mythos 5 has the edge for knowledge tasks in this comparison, averaging 74.6 versus 50.4. Inside this category, HLE w/o tools is the benchmark that creates the most daylight between them.
Claude Mythos 5 has the edge for coding in this comparison, averaging 85.9 versus 61.7. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Claude Mythos 5 has the edge for agentic tasks in this comparison, averaging 87 versus 59. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
Claude Mythos 5 has the edge for multimodal and grounded tasks in this comparison, averaging 92.7 versus 82.2. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
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